<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>菜鸟教程 React 实例</title>
<script src="https://cdn.staticfile.org/react/16.4.0/umd/react.development.js"></script>
<script src="https://cdn.staticfile.org/react-dom/16.4.0/umd/react-dom.development.js"></script>
<script src="https://cdn.staticfile.org/babel-standalone/6.26.0/babel.min.js"></script>
<style>
.foo{
	color:red;
}
</style>
</head>
<body>
	<!-- JSX 添加 class 属性 -->
	<div id="root"></div>
	<script type="text/babel">
		const element = <h1 class="foo">Hello 凡凡!</h1>;
		ReactDOM.render(
			element,
			document.getElementById('root')
		);
		
	</script>
</body>
</html>